/** ******************************************************************************************************* * @file fm33lg0xx_fl_bstim32.c * @author FMSH Application Team * @brief Src file of BSTIM FL Module ******************************************************************************************************* * @attention * * Copyright (c) [2021] [Fudan Microelectronics] * THIS SOFTWARE is licensed under Mulan PSL v2. * You can use this software according to the terms and conditions of the Mulan PSL v2. * You may obtain a copy of Mulan PSL v2 at: * http://license.coscl.org.cn/MulanPSL2 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. * See the Mulan PSL v2 for more details. * ******************************************************************************************************* */ /* Includes ------------------------------------------------------------------*/ #include "fm33lg0xx_fl.h" /** @addtogroup FM33LG0XX_FL_Driver * @{ */ /** @addtogroup BSTIM32 * @{ */ #ifdef FL_BSTIM32_DRIVER_ENABLED /* Private macros ------------------------------------------------------------*/ /** @addtogroup BSTIM32_FL_Private_Macros * @{ */ #define IS_FL_BSTIM32_INSTANCE(INTANCE) ((INTANCE) == BSTIM32) #define IS_FL_BSTIM32_AUTORELOAD_MODE(__VALUE__) (((__VALUE__) == FL_ENABLE)||\ ((__VALUE__) == FL_DISABLE)) #define IS_FL_BSTIM32_CLOCK_SRC(__VALUE__) (((__VALUE__) == FL_CMU_BSTIM32_CLK_SOURCE_APBCLK)||\ ((__VALUE__) == FL_CMU_BSTIM32_CLK_SOURCE_RCLP)||\ ((__VALUE__) == FL_CMU_BSTIM32_CLK_SOURCE_RCLF)||\ ((__VALUE__) == FL_CMU_BSTIM32_CLK_SOURCE_LSCLK)) /** * @} */ /* Exported functions --------------------------------------------------------*/ /** @addtogroup BSTIM_FL_EF_Init * @{ */ /** * @brief 复位对应BSTIM寄存器. * @param BSTIMx * @retval ErrorStatus枚举值: * -FL_PASS 外设寄存器值恢复复位值 * -FL_FAIL 未成功执行 */ FL_ErrorStatus FL_BSTIM32_DeInit(BSTIM32_Type *BSTIM32x) { assert_param(IS_FL_BSTIM32_INSTANCE(BSTIM32x)); /* 使能外设复位 */ FL_RMU_EnablePeripheralReset(RMU); /* 复位外设寄存器 */ FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_BSTIM32); FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_BSTIM32); /* 关闭外设总线始时钟和工作时钟 */ FL_CMU_DisableGroup4BusClock(FL_CMU_GROUP4_BUSCLK_BSTIM32); FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_BSTIM32); /* 锁定外设复位 */ FL_RMU_DisablePeripheralReset(RMU); return FL_PASS; } /** * @brief 根据 BSTIM32_InitStruct 的配置信息初始化对应外设入口地址的寄存器值. * @param BSTIMx BSTIMx * @param BSTIM32_InitStruct 指向一个 @ref FL_BSTIM32_InitTypeDef 结构体 * 其中包含了外设的相关配置信息. * @retval ErrorStatus枚举值 * -FL_FAIL 配置过程发生错误 * -FL_PASS 配置成功 */ FL_ErrorStatus FL_BSTIM32_Init(BSTIM32_Type *BSTIM32x, FL_BSTIM32_InitTypeDef *init) { uint32_t i = 5; /* 参数检查 */ assert_param(IS_FL_BSTIM32_INSTANCE(BSTIM32x)); assert_param(IS_FL_BSTIM32_CLOCK_SRC(init->clockSource)); assert_param(IS_FL_BSTIM32_AUTORELOAD_MODE(init->autoReloadState)); /* 时钟使能 */ FL_CMU_EnableGroup4BusClock(FL_CMU_GROUP4_BUSCLK_BSTIM32); /* 选择时钟源 */ FL_CMU_SetBSTIM32ClockSource(init->clockSource); FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_BSTIM32); /* 分频系数 */ FL_BSTIM32_WritePrescaler(BSTIM32x, init->prescaler); /* 自动重装载值 */ FL_BSTIM32_EnableUpdateEvent(BSTIM32x); FL_BSTIM32_WriteAutoReload(BSTIM32x, init->autoReload); if(init->autoReloadState == FL_ENABLE) { FL_BSTIM32_EnableARRPreload(BSTIM32x); } else { FL_BSTIM32_DisableARRPreload(BSTIM32x); } FL_BSTIM32_GenerateUpdateEvent(BSTIM32x); while((!FL_BSTIM32_IsActiveFlag_Update(BSTIM32x)) && i) { i--; } return FL_PASS; } /** * @brief 设置 BSTIM32_InitStruct 为默认配置 * @param BSTIM32_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_BSTIM_InitTypeDef 结构体 * * @retval None */ void FL_BSTIM32_StructInit(FL_BSTIM32_InitTypeDef *init) { init->prescaler = 0; init->autoReload = 0xFFFFFFFF; init->autoReloadState = FL_ENABLE; init->clockSource = FL_CMU_BSTIM32_CLK_SOURCE_APBCLK; } /** * @} */ #endif /* FL_BSTIM32_DRIVER_ENABLED */ /** * @} */ /** * @} */ /********************** (C) COPYRIGHT Fudan Microelectronics **** END OF FILE ***********************/